31268281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 37216800

約数和(自身を除く): 5948519

約数列:

[1, 11, 19, 41, 89, 209, 451, 779, 979, 1681, 1691, 3649, 8569, 18491, 18601, 31939, 40139, 69331, 149609, 351329, 762641, 1645699, 2842571, 31268281]

約数ペア:

[(1, 31268281), (11, 2842571), (19, 1645699), (41, 762641), (89, 351329), (209, 149609), (451, 69331), (779, 40139), (979, 31939), (1681, 18601), (1691, 18491), (3649, 8569)]